On the Modelling of the Quasi-Optical Coupling between Two Photoconductive Antennas under Pulsed Laser Illumination

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Abstract

Photoconductive antennas (PCA) are promising candidates for high-resolution imaging applications. They have been investigated in transmission when the receiver is a power detector. Here we consider another PCA as the receiver and develop a model of the quasi-optical (QO) coupling between the transmitter and receiver under pulsed laser illumination. Specifically, a field matching technique is used to evaluate the open-circuit voltage of the receiver. Based on this voltage, the spectral mutual coupling between the two PCAs, including the QO path can be evaluated. A bow-tie antenna feed is used as an example to show the coupling coefficient.
Original languageEnglish
Title of host publication2021 46th International Conference on Infrared, Millimeter and Terahertz Waves (IRMMW-THz)
Subtitle of host publicationProceedings
Place of PublicationDanvers
PublisherIEEE
Number of pages2
ISBN (Electronic)978-1-7281-9424-0
ISBN (Print)978-1-7281-9425-7
DOIs
Publication statusPublished - 2021
EventIRMMW-THZ 2021: 46th International Conference on Infrared, Millimeter, and Terahertz Waves - Online at Chengdu, China
Duration: 30 Aug 20213 Sep 2021
Conference number: 46th

Conference

ConferenceIRMMW-THZ 2021
CountryChina
CityOnline at Chengdu
Period30/08/213/09/21

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